An element 'S' has two electrons in M shell
Identify the element.

The atom of an element X has 7 electrons in its M shell. (a) Write the electronic configuration of element X.

An element has 2 electrons in the M shell. What is the atomic number of the element ?

The atom of an element X has 7 electrons in its M shell. What is the atomic number of element X ?

Use the periodic table to answer the following questions. a) Identify elements with five electrons in the outer shell. b) Identify elements that would tend to loose two electrons. c) Identify elements that would tend to gain two electrons. d) Identify the group having metal, non-metal, liquid as well as gas at the room temperature.

An element have two shells & have one valance electrons. identify the element.

Name two elements that have two electrons in their outermost shells

An element have three shells & have five valance electrons. identify the element.

Element A has 3 electrons in the outermost shell and element B has 6 electrons in the outermost shell. what is the formula of the compound.

An element has the electronic configuration 2,8,2. It is present in group: